Home / 8,231.06-12,350.64-3,847.88

Finding the Fourth Proportional to 8,231.06, 12,350.64 and 3,847.88

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Solution

The fourth proportional to 8,231.06, 12,350.64 and 3,847.88 is: 5,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.06 : 12,350.64 = 3,847.88 : x
  2. Step 2: Convert to fraction form
    8,231.06/12,350.64 = 3,847.88/x
  3. Step 3: Cross multiply
    8,231.06x = 12,350.64 × 3,847.88
  4. Step 4: Simplify right side
    8,231.06x = 47,523,780.64
  5. Step 5: Solve for x
    x = 47,523,780.64/8,231.06
  6. Step 6: Final answer
    x = 5,773.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.